#583E99#583E99
#583E99 is a dark, vivid violet. Relative luminance 0.078; OKLCH L 44.2% C 0.142 H 292.8°. Best body text is #FFFFFF at 8.19:1 contrast (WCAG AA passes).
Color values
| HEX | #583E99 |
|---|---|
| RGB | rgb(88, 62, 153) |
| HSL | hsl(257, 42%, 42%) |
| HSV | hsv(257, 59%, 60%) |
| CMYK | cmyk(42.5%, 59.5%, 0%, 40%) |
| CIE-LAB | lab(33.60, 33.45, -46.10) |
| CIE-LCH | lch(33.60, 56.96, 305.97°) |
| OKLab | oklab(44.17% 0.0552 -0.1313) |
| OKLCH | oklch(44.17% 0.142 292.8) |
| XYZ | xyz(11.4953, 7.8195, 31.0345) |
| Luminance | 0.0782 (WCAG relative) |
| Temperature | cool |
| Family | violet |
Closest named colors
Darkslateblue
#483D8B
ΔE00 3.73
Blueberry
#464196
ΔE00 4.03
Rebeccapurple
#663399
ΔE00 4.28
Ocean Blue
#4F42B5
ΔE00 5.15
Blue With A Hint Of Purple
#533CC6
ΔE00 7.02
Bluey Purple
#6241C7
ΔE00 7.15
Perceptual scales
Shades
Tints
Tones
OKLCH scale
Color harmonies
complementary
#583E99 #7F993E
analogous
#3E5199 #583E99 #863E99
triadic
#583E99 #99583E #3E9958
tetradic
#583E99 #993E51 #7F993E #3E9986
square
#583E99 #993E51 #7F993E #3E9986
split-complementary
#583E99 #99863E #51993E
monochromatic
#261B42 #3F2C6D #583E99 #7559BC #9984CD
Accessibility & contrast
On white
8.19
#583E99 on #FFFFFF
AA ✓AA large ✓AAA ✓
On black
2.56
#583E99 on #000000
AA ✗AA large ✗AAA ✗
Best text color
#FFFFFF on #583E99
8.19:1 — WCAG AA (normal text) passes
Contrast matrix
| fg \ bg | ##583E99 | #FFFFFF | #000000 | ##FFFFFF |
|---|---|---|---|---|
| ##583E99 | 1.00 | 8.19 | 2.56 | 8.19 |
| #FFFFFF | 8.19 | 1.00 | 21.00 | 1.00 |
| #000000 | 2.56 | 21.00 | 1.00 | 21.00 |
| ##FFFFFF | 8.19 | 1.00 | 21.00 | 1.00 |
Color blindness preview
Protanopia (red-blind)
#01509C
Deuteranopia (green-blind)
#0F4D97
Tritanopia (blue-blind)
#465265
Achromatopsia (no color)
#4F4F4F
Design tokens & code
CSS
--color: #583e99; /* rgb */ color: rgb(88, 62, 153); /* oklch */ color: oklch(44.2% 0.142 292.8);
Tailwind
colors: {
custom: {
50: '#8c74b8',
500: '#583e99',
950: '#000000',
},
}SCSS
$custom: #583e99; $custom-light: #8c74b8; $custom-dark: #000000;
JSON
{
"hex": "#583e99",
"rgb": {
"r": 88,
"g": 62,
"b": 153
},
"hsl": {
"h": 257.143,
"s": 42.326,
"l": 42.157
},
"oklch": {
"l": 0.4417,
"c": 0.1424,
"h": 292.8
},
"luminance": 0.0782
}Semantic roles & 50–950 ramp
primary
#583E99
secondary
#A6B87B
accent
#D256AF
background
#F8F7FB
surface
#F0EDF6
border
#CBC8D0
text
#0C0811
muted
#7D7B80